{
  "css": {
    "properties": {
      "position": {
        "__compat": {
          "mdn_url": "https://developer.mozilla.org/docs/Web/CSS/position",
          "support": {
            "chrome": {
              "version_added": "1"
            },
            "chrome_android": {
              "version_added": "18"
            },
            "edge": {
              "version_added": "12"
            },
            "firefox": {
              "version_added": "1",
              "notes": [
                "Before Firefox 57, absolute positioning did not work correctly when applied to elements inside tables that have <a href='https://developer.mozilla.org/docs/Web/CSS/border-collapse'><code>border-collapse</code></a> applied to them (<a href='https://bugzil.la/1379306'>bug 1379306</a>).",
                "Before Firefox 30, absolute positioning of table rows and row groups was not supported (<a href='https://bugzil.la/63895'>bug 63895</a>)."
              ]
            },
            "firefox_android": {
              "version_added": "4",
              "notes": [
                "Before Firefox 57, absolute positioning did not work correctly when applied to elements inside tables that have <a href='https://developer.mozilla.org/docs/Web/CSS/border-collapse'><code>border-collapse</code></a> applied to them (<a href='https://bugzil.la/1379306'>bug 1379306</a>).",
                "Before Firefox 30, absolute positioning of table rows and row groups was not supported (<a href='https://bugzil.la/63895'>bug 63895</a>)."
              ]
            },
            "ie": {
              "version_added": "4"
            },
            "opera": {
              "version_added": "4"
            },
            "opera_android": {
              "version_added": "14"
            },
            "safari": {
              "version_added": "1"
            },
            "safari_ios": {
              "version_added": "1"
            },
            "samsunginternet_android": {
              "version_added": "1.0"
            },
            "webview_android": {
              "version_added": "≤37"
            }
          },
          "status": {
            "experimental": false,
            "standard_track": true,
            "deprecated": false
          }
        },
        "absolutely_positioned_flex_children": {
          "__compat": {
            "description": "Absolutely-positioned flex children",
            "support": {
              "chrome": {
                "version_added": "52"
              },
              "chrome_android": {
                "version_added": "52"
              },
              "edge": {
                "version_added": "12"
              },
              "firefox": {
                "version_added": "52"
              },
              "firefox_android": {
                "version_added": "52"
              },
              "ie": {
                "version_added": "10"
              },
              "opera": {
                "version_added": "39"
              },
              "opera_android": {
                "version_added": "41"
              },
              "safari": {
                "version_added": "11"
              },
              "safari_ios": {
                "version_added": "11"
              },
              "samsunginternet_android": {
                "version_added": "6.0"
              },
              "webview_android": {
                "version_added": "52"
              }
            },
            "status": {
              "experimental": false,
              "standard_track": true,
              "deprecated": false
            }
          }
        },
        "fixed": {
          "__compat": {
            "description": "<code>fixed</code>",
            "support": {
              "chrome": {
                "version_added": "1"
              },
              "chrome_android": {
                "version_added": "18"
              },
              "edge": {
                "version_added": "12"
              },
              "firefox": {
                "version_added": "1",
                "notes": "Before Firefox 44, <code>position: fixed</code> didn't create a stacking context in most cases. Firefox and the specification have been modified to mimic Chrome and Safari's long-time behavior."
              },
              "firefox_android": {
                "version_added": "4",
                "notes": "Before Firefox 44, <code>position: fixed</code> didn't create a stacking context in most cases. Firefox and the specification have been modified to mimic Chrome and Safari's long-time behavior."
              },
              "ie": {
                "version_added": "7",
                "notes": "In Internet Explorer, fixed positioning doesn't work if the document is in <a href='https://developer.mozilla.org/docs/Web/HTML/Quirks_Mode_and_Standards_Mode'>quirks mode</a>."
              },
              "opera": {
                "version_added": "4"
              },
              "opera_android": {
                "version_added": "14"
              },
              "safari": {
                "version_added": "1"
              },
              "safari_ios": {
                "version_added": "1"
              },
              "samsunginternet_android": {
                "version_added": "1.0"
              },
              "webview_android": {
                "version_added": "≤37"
              }
            },
            "status": {
              "experimental": false,
              "standard_track": true,
              "deprecated": false
            }
          }
        },
        "position_sticky_table_elements": {
          "__compat": {
            "description": "Table elements as <code>sticky</code> positioning containers",
            "support": {
              "chrome": {
                "version_added": "56"
              },
              "chrome_android": {
                "version_added": "56"
              },
              "edge": {
                "version_added": "16"
              },
              "firefox": {
                "version_added": "59"
              },
              "firefox_android": {
                "version_added": "59"
              },
              "ie": {
                "version_added": false
              },
              "opera": {
                "version_added": "43"
              },
              "opera_android": {
                "version_added": "43"
              },
              "safari": {
                "version_added": "8"
              },
              "safari_ios": {
                "version_added": "8"
              },
              "samsunginternet_android": {
                "version_added": "6.0"
              },
              "webview_android": {
                "version_added": "56"
              }
            },
            "status": {
              "experimental": false,
              "standard_track": true,
              "deprecated": false
            }
          }
        },
        "sticky": {
          "__compat": {
            "description": "<code>sticky</code>",
            "support": {
              "chrome": {
                "version_added": "56"
              },
              "chrome_android": {
                "version_added": "56"
              },
              "edge": {
                "version_added": "16"
              },
              "firefox": [
                {
                  "version_added": "32"
                },
                {
                  "version_added": "26",
                  "version_removed": "48",
                  "flags": [
                    {
                      "type": "preference",
                      "name": "layout.css.sticky.enabled",
                      "value_to_set": "true"
                    }
                  ]
                }
              ],
              "firefox_android": [
                {
                  "version_added": "32"
                },
                {
                  "version_added": "26",
                  "version_removed": "48",
                  "flags": [
                    {
                      "type": "preference",
                      "name": "layout.css.sticky.enabled",
                      "value_to_set": "true"
                    }
                  ]
                }
              ],
              "ie": {
                "version_added": false
              },
              "opera": {
                "version_added": "43"
              },
              "opera_android": {
                "version_added": "43"
              },
              "safari": {
                "prefix": "-webkit-",
                "version_added": "6.1"
              },
              "safari_ios": {
                "prefix": "-webkit-",
                "version_added": "6.1"
              },
              "samsunginternet_android": {
                "version_added": "6.0"
              },
              "webview_android": {
                "version_added": "56"
              }
            },
            "status": {
              "experimental": false,
              "standard_track": true,
              "deprecated": false
            }
          }
        }
      }
    }
  }
}